Ключевые слова: blue, catenary, caution, controller, crossing, danger, diesel, direction, electrical, engine, equipment, forward, green, illuminated, industry, infrastructure, journey, junction, light, line, locomotive, metal, net, platform, post, power, rail, railroad, railway, road, semaphore, sign, signal, sky, speed, station, steam, steel, stop, stop light, track, traffic, train, transport, travel, waiting, warning, way,